Questions tagged [irrigation]

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3 votes
1 answer
289 views

Why did my febco backflow preventer fail?

I'm working as a handyman for a non-profit, and they have an in-ground irrigation system that has been off for a while because "there was a geyser." I successfully determined that the geyser was ...
0 votes
1 answer
2k views

What type of Piping for Reduced Pressure Backflow Preventor for Irrigation System

Looking into installing a above ground reduced pressure backflow preventor for my irrigation system. Looking at many examples and videos online, I saw different types of piping from PVC, Copper and ...
0 votes
1 answer
830 views

indexing valve, all zones on at once

I have one of those indexing valves for my sprinkler system as is common in Florida. The system is pump-fed. Recently, all the zones come on at the same time and as a result the pressure is greatly ...
0 votes
2 answers
2k views

What is this pipe sticking out of the ground?

This is connected to my sprinkler system. It has a crack in the side and leaks when the water to the sprinkler system is turned on, even when the sprinkler system isn’t running. Does anyone know what ...
0 votes
0 answers
66 views

Sprinkler System Problems

I have an Orbit Home B-Hyve wifi sprinker system, which has worked great for like 18 months. However, three days ago it just stopped working completely. When I manually engage a zone from my phone, ...
0 votes
1 answer
2k views

Is it advisable to connect a sump pump to pop-up sprinkler heads?

My home doesn't offer a great place to eject sump water due to a very level landscape. I'm thinking of adding 3-5 standard pop-up sprinkler heads to the output line. This would allow better ...
0 votes
0 answers
991 views

Irrigation pressure vacuum assembly leaking

I am trying to dewinterize my sprinkler system the first time in a home we moved into. After turning on the water to it from the basement, the pressure vacuum assembly just outside the house was ...
-1 votes
1 answer
40 views

Repair of Sprinkler system [closed]

Help? My irrigating system peters out towards the end of the tubing. All I get is dripping on my last three plants. What causes that?
1 vote
0 answers
109 views

What size RPBP/RPZ should I use for a 3/4" city water meter?

A friend has a 3/4" (0.75") water meter at their 1.3 ac property. We want to do some fertigation with their irrigation so we're looking at a Reduced Pressure Backflow Preventer. The main line for the ...
1 vote
0 answers
101 views

Off-Grid Garden Irrigation Pump/Plumbing Question

I am trying to design a system for irrigation of a garden area that has no access to grid electricity, but does have a 24V solar system. There is a spring/seep with a tank at relative elevation 0. ...
1 vote
1 answer
10k views

Problem With Sprinkler Backflow Device

I recently moved into a new house. I was trying to test out the sprinkler system. I turned on the sprinkler valve in the utility room. I also turned on the valve on the backflow device (I think - ...
5 votes
2 answers
2k views

Charging Irrigation System, Can I Do This Myself?

Every spring some company comes out and "charges" our sprinkler system. Can someone explain what this is and whether or not this is something I can do? It basically seems like they come out, turn on ...
8 votes
3 answers
1k views

What is this part near the entry point to my irrigation system

Here is the overall view of the valve access box: The valve is turned off because the pipe directly after the valve has come loose from the valve. I'd like to repair this, but I'm not sure what the ...
0 votes
1 answer
231 views

How to seal small leak in buried irrigation system

I have 800 feet of buried 1 1/2 inch black poly irrigation line. It is fed from a well and feeds 8 frost free spigots. The well has a variable speed pump and I recently noticed that it was running ...
0 votes
1 answer
545 views

What size transformer do I need to power a ¾" 24VAC solenoid valve?

I am trying to automate the irrigation and I read that buying a 24 VAC solenoid valve normally closed would be the best. 12V ones being less reliable due to heat and the big-AC ones clearly not ...
1 vote
1 answer
109 views

Effects of changing pipe size on a water pressure regulator?

I am a biologist and am planning a research experiment. I need to control the water pressure into a drip irrigation system. The water supply is at ~60 psi through a 3/4 pipe. The irrigation emitter I ...
0 votes
0 answers
1k views

Backflow Preventer / Vacuum Breaker that doesn't spray water everywhere?

I water my garden on a timer with an small irrigation system. Last year towards the end of the season, any time the water pressure changed inside the house, everything by the spigot was soaked with ...
0 votes
1 answer
314 views

What is the purpose of ABS pipe in an irrigation manifold

I need to replace a failed electric valve in my drip irrigation manifold. The pipes leading to each valve are 3/4" PVC, but they in turn are enclosed in what looks like black ABS pipe, at least 1/...
4 votes
2 answers
4k views

Can I route an irrigation main through my basement?

I received estimates on getting an irrigation system installed in my back yard. The majority of the cost is for digging down to the house's line in the front of the house (4 feet deep), splitting the ...
8 votes
2 answers
37k views

How can I get low water pressure in sprinkler system fixed?

I have a new house that is still under warranty. Compared to at least two of my neighbors whose houses were built by the same builder and have very similar sprinkler systems, my sprinklers put out ...
4 votes
2 answers
19k views

What is causing the last two heads in a sprinkler/irrigation system to have no water pressure?

Zone 2 of my irrigation system has 6 pop-up sprinkler heads but the last two do not pop up, nor is there any water coming from them at all. They are completely dry, even in the flex lines they are ...
2 votes
2 answers
27k views

Should I use Teflon tape or pipe dope when connecting PVC to metal?

I am in the process of repairing PVC pipe, which was broken due to freezing. I'll be connecting the PVC pipe to a metal check valve. Should I use Teflon tape or pipe dope when connecting PVC to metal?...
0 votes
2 answers
2k views

Repair sprinkler pipe

What is the best way to repair a pvc T joint that connects two 1 inch pipes and has a threaded half inch T extension, which has been stripped? I can't attach the sprinkler head to it without it ...
1 vote
2 answers
185 views

Is there a commodity 3 or 4 way valve that can be electrically controlled?

I live out here in the San Francisco bay area where it doesn't rain in the summer. So I want to make an automated plant watering device. I already have a water pump intended for solar water heating ...
2 votes
2 answers
7k views

How do I run PEX to exterior plumbing?

I am replacing some failed galvanized water pipe indoors. Two of the existing galvanized pipes poke straight through the exterior wall of the house, right above the foundation, and have hose bibs ...
3 votes
3 answers
19k views

What is the easiest way to cut a 2 inch groove in concrete?

I have a 5 foot wide concrete side-walk running next to my house. I want to cut a 2 inch groove from the wall to the yard in order to run a PVC irrigation pipe from the faucet on the wall to the trees....
1 vote
1 answer
6k views

Extending Length of Air Conditioning Drain Pipe

I live in a multi apartment building. All the neighbors has AC. Many AC's has condensation drainage pipes which descent into the common garden and are cut at about two meters above ground. Others are ...
2 votes
1 answer
318 views

How can I fix a leaking sprinkler valve?

My sprinkler valve leaks water as soon it shuts off. By checking online and going to Home Depot first I installed new inside parts, that didn't solve the problem. then I was told that I had to replace ...
1 vote
2 answers
99 views

Valve to select higher pressure water source

I'm trying to build an irrigation system which runs off city water supply and pumped water from a rainwater storage tank. To keep it simple, the idea is to have the sprinkler timer open a valve from ...
0 votes
2 answers
6k views

How to *Lower* an Underground Pop-Up Impact Sprinkler Head

I have replaced a broken Orbit Satellite Sprinkler head with an Orbit Satellite II sprinkler head. In their wisdom, Orbit has made the Satellite II about a half to a full inch longer than its ...
2 votes
2 answers
3k views

What fails in a centrifugal pump when it runs dry?

A 3/4 HP 10 GPM shallow well pump for irrigation ran dry for a couple hours due to a technical failure where a feeding valve mounted at the pump inlet blew out of its hole. All the water being pumped ...
0 votes
1 answer
3k views

Why would 2 different sprinkler zones cause pressure at the pump to drop to 0?

Why would 2 out of 3 sprinkler zones cause the pressure reading at the pump to drop to 0? This is a well irrigation system and it is separate from the home's well. The pump is a 3/4 HP, has a flow ...
1 vote
1 answer
1k views

How to fix hole in yard with/from burst irrigation pipe?

I had the end cap crack on a 2" irrigation line buried 1-2' underground. It sprayed downwards, clearing away 2' of dirt vertically (3-4' total downward now). I found an area about 3-4' away from this ...
1 vote
0 answers
234 views

Almost no pressure in sprinkler system, slight vibration in pipes

I just started setting up the sprinkler systems in a new house that I'm renting. The pressure in one of the systems is almost nonexistent, and the pipes that run to the irrigation system vibrate very ...
1 vote
2 answers
6k views

Running irrigation pipes under a large concrete pad

I'm planning on redoing the irrigation system in the back yard and considering extending it to cover the front yard as well. My only problem, the house is completely surrounded by a concrete patio. ...
0 votes
1 answer
466 views

Why would a lawn irrigation pipe slope down to nothing and just end?

In my lawn sprinkler system, one of the PVC lines starts off at a normal depth around 6 inches but slopes down and ends up 2 feet down and leads to nothing. The pipe just ends, not even capped off. It ...
0 votes
1 answer
2k views

Where is the pressure vacuum breaker typically located in a lawn irrigation system?

Where is the pressure vacuum breaker (or other backflow device) typically installed in a lawn irrigation system? Does it matter, as long as it is before the first sprinkler head? Or does it have to be ...
0 votes
1 answer
755 views

Sprinkler system in indoor arena [closed]

I have an indoor arena equipped with 14 water lines & stations for watering the indoor arena floor to keep dust down. The water lines are 1 inch black pipe. There are 6 sprinklers per truss. ...
1 vote
1 answer
13k views

Can 22 AWG Solid Copper carry 24 VAC?

I have this irrigation caddy unit, and it requires 24VAC. There's a location outside my house with one ethernet cable and another brown cable with four solid copper wires (black, red, yellow, green). ...
1 vote
1 answer
130 views

Irrigation sprinkler only comes on for a moment?

I recently had a tree removed, and in the process of grinding the surface roots they broke one of the irrigation lines. I dug out around it and fixed the pipe with a slip fix, but now I'm having an ...
1 vote
0 answers
121 views

How can I trace my irrigation system without any sprinkler heads?

I just bought a home in Arizona that came with an irrigation system in the backyard. There are no sprinkler heads so I have no clue where the lines are. How can I get info on where to plant based on ...
3 votes
1 answer
3k views

What should I do with exposed wires from a yard irrigation manifold?

We just had a new backyard put in by a contractor with 20+ years of experience. Overall, he did a very nice job, but apparently the Rain Bird timer that came with our house is a new model and it gave ...
0 votes
3 answers
2k views

How can I get my sprinkler / home irrigation system to not ruin my car with water spots? [closed]

I have a sprinkler system (i.e. irrigation system) at home. Occasionally I park my car too close and it gets hit with the water. This causes horrible water spots. I've seen that some do-it-yourself ...
2 votes
1 answer
447 views

Draining irrigation system for the winter

What's the best way to drain an outdoor irrigation system, which includes sprinklers and drip irrigation? I've drained them as well as I could by opening a faucet in the basement (a few feet below ...

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